... energy, sun solar, photovoltaic, solar photovoltaic, pv, solar panels, solar panel Specifications 1) polycrystalline / Mono- crystalline solar panels/ Solar panels/ solar modules2) TUV, ... years lifetimes4) Famous and Grade A solar Cell with High efficiency5) Sealed junction box with water ... Power temperature coefficient:-0.23%/ Solar panels Weights ( KGS)1.2 - 22 Quality and Safety1)TUV, IEC, ...